Question

formula :- (x+y)³ = x³ y³+ 3xy (x+y) use this formula and solve it. (100)³. std9​

Answer 1

Answer:

Let :

X=99 Y=1

Step-by-step explanation:

${(100)}^{3} \\ = {(99 + 1)}^{3} \\ = {99}^{3} + {1}^{3} + 3 \times 99 \times 1(99 + 1) \\ = 970299 + 1 + 297 \times 100 \\ = 970300 + 29700 \\ = 1000000$

Hope it helps you..................